universe & solar system section 5 Practice Questions Answers Test with Solutions & More Shortcuts
Universe, solar system and Astronomy PRACTICE TEST [13 - EXERCISES]
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Question : 2
The Earth is an oblate spheroid and not a perfect sphere. This is because
- The Earth has a rotational motion and the rotational speed increases as one goes from the poles towards the equator.
- The equator experiences greater gravitational pull from the sun.
- The intensity of sunlight received at the equator is greater than that at the poles.
a) Only 3
b) All of these
c) 1 and 2
d) Only 1
Answer »Answer: (d)
The shape of the Earth is very close to that of an oblate spheroid, a sphere flattened along the axis from pole to pole such that there is a bulge around the equator.
This bulge results from the rotation of the Earth and causes the diameter at the equator to be 43 km large than the pole to pole diameter.
Question : 5 [NDA 2014-I]
Which of the following is/are direct source(s) of information about the interior of the Earth?
- Earthquake wave
- Volcano
- Gravitational force
- Earth magnetism
a) 3 and 4
b) All of these
c) Only 2
d) 1 and 2
Answer »Answer: (d)
Earthquake waves are propagating vibrations that carry energy from the source of the shaking outward in all directions.
It is of four types: P (for primary) S (for secondary) Love Rayleigh A volcano is a mountain that opens downward to a pool of molten rock below the surface of the earth. When pressure builds up, eruptions occur.
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Universe, solar system and Astronomy Shortcuts »
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indian geography mcq CATEGORIES
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» Nature & Scope of Geography
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» Universe, solar system and Astronomy
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» Geomorphology & Earth landforms
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» Atmosphere & Climatology
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» Hydrosphere & Oceanography
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» Pedology or Soil & Agriculture
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» Ecology & Bio geography
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» World Physical Geography
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» World Human Geography (Population)
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» World Economic Geography (Industry, Trade, Transportation & Agriculture)
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» World Country, Capital, Area, Currency, Parliament, Religion, New & old name of country
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» Physiography & Geomorphology of India
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» Indian Drainage, Irrigation and Rivers & River Projects
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» Indian Climate
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» Ecology, Environment, Forest, Naturals vegetations of India & National Park of India
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» Indian Agriculture & Animal Husbandry
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» Minerals & Energy Resources of India
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» Industries & Trade in India
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» Transportation & Ports System of India
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